* Add Nomad RA
* Add deployment guide and nav
* Deployment Guide update
* Minor typo fixes
* Update diagrams
* Fixes for review
* Link fixes and typo fix
* Edits following review
- Update image text from "zone" to "datacenter" to match Nomad terminology
- Clean up text based on Preetha's feedback
* Text updates
Based on feedback from Rob
* Update diagrams
* fixing spelling
* Add suggestions from Preetha and Omar
* add vault integration guide in guides section and move current vault integration content to docs section
* complete guide with image
* fix typos
* rename step 6 and fix typos
* fix typos and awkward phrasing along with links
* fix duplicated step #
* fix typo
* fix links so that pages that pointed to the original vault integration content still point there